To configure your laptop with a local zero-cost Deep Research AI assistant with Gemma3, open source ollama-deep-researcher is a very nice solution, checkout its latest tutorial below to see how to build one with Gemma3 … and yes, besides Gemma3, you could also pull other LLMs via ollama, then change the configuration as you want.

NOTE, by default, it will use DuckDuckGo for web search, which does not require an API key.